#!/usr/bin/env python
# -*- coding: utf-8 -*-
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# 
# Author: zod.yslin
# Email: 
# File Name: match.py
# Description: 
# 
# Edit History: 
#   2011-10-03    File created.
#===============================================================================
import re
pattern = re.compile("o")
print(pattern.match("dog"))      # No match as "o" is not at the start of "dog".
print(pattern.match("dog", 1))   # Match as "o" is the 2nd character of "dog".
